Dimand

joined 1 year ago
[–] Dimand@lemmy.world 7 points 3 months ago
[–] Dimand@lemmy.world 5 points 6 months ago (1 children)

Solvespace

Watch a few of these to get started, skip ahead as needed. It's got some limitations but leagues ahead of freecad in terms of UI and workflow.

https://youtube.com/playlist?list=PLGAjLwYQPgaBafzQTLA84IkTOptOdIsUX&si=sci5_24nPVyUEGqm

[–] Dimand@lemmy.world 5 points 6 months ago

The existence of foss projects should never exclude the creation of alternatives if someone wants to try.

[–] Dimand@lemmy.world 2 points 6 months ago

Try solvespace. Freecad UI is a mess. Hopefully they fix it one day.

[–] Dimand@lemmy.world 10 points 6 months ago* (last edited 6 months ago)

Wow. Thank fuck I love somewhere where unions are an accepted and appreciated concept.

[–] Dimand@lemmy.world 11 points 6 months ago (1 children)

I think this is rather location dependent. Here in Aus a lot of people I know use them. Just some more anecdotal evidence.

[–] Dimand@lemmy.world 9 points 8 months ago

Pretty much this, look up Kalman filters if you want details. The most likely explanation is that they are tuned to effectively trust GPS more than the internal IMU for long periods of time. Really good IMUs are very expensive and still drift but have high speed output. When it works well, GPS is cheap and doesn't drift but with a slow update rate. The cost optimisation probably means that the IMU data is usually only trusted for a few seconds, probably 10 min at most before it takes whatever the GPS says as truth. If they lost gps signal through jamming, then they would keep navigation on the less certain IMU data, but the GPS sensor thinks all is well so they shift position.

There is probably a software upgrade to the filter that could be used to limit these attacks, but I imagine it's an active area or research.

[–] Dimand@lemmy.world 12 points 8 months ago* (last edited 8 months ago)

I can't see how omega and similar were not just as susceptible to this type of attack. Active outside in positioning almost always has this vulnerability.

[–] Dimand@lemmy.world 1 points 9 months ago (1 children)

I'm not an expert in this stuff but my whole life I have been told to avoid eating mammals that primarily eat meat. Eating a fox just seems wrong, especially when there are so many good to eat rabbits.

[–] Dimand@lemmy.world 2 points 11 months ago
[–] Dimand@lemmy.world 1 points 11 months ago

Plus you can flash wrt to a lot of the TP-Link stuff including the access points. I haven't looked in ages but I remember that most or all ubiquity stuff was locked down.

[–] Dimand@lemmy.world 7 points 11 months ago (2 children)

Purely anecdotal but in my experience unify is overpriced garbage. Had a dream machine die at 13 months and could only get an, it's out of warranty, buy a new one response. Looking at the internals it was pretty clear they were never designed with any service in mind.

They also force you into plenty of cloud bullshit. They lost my password hash for my local device because they fucked up some cloud transfer. If I didn't have an SSH key I would have been screwed.

It takes a bunch of time and tech know-how but foss has been a much better solution. Have a openwrt pi4 router, truenas server and switched my Wyze cams to openmiko firmware. Far better than anything offered by these prosumer companies.

view more: next ›